Swath Data File: mbari_1998_355_msn.mb57 MBIO Data Format ID: 57 Format name: MBF_EM300MBA Informal Description: Simrad multibeam processing format Attributes: Old and new Simrad multibeams, EM12S, EM12D, EM121, EM120, EM300, EM100, EM1000, EM950, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, MBARI. Data Totals: Number of Records: 6022 Bathymetry Data (111 beams): Number of Beams: 668442 Number of Good Beams: 654035 97.84% Number of Zero Beams: 8260 1.24% Number of Flagged Beams: 6147 0.92% Amplitude Data (111 beams): Number of Beams: 668442 Number of Good Beams: 654035 97.84% Number of Zero Beams: 8260 1.24% Number of Flagged Beams: 6147 0.92% Sidescan Data (1024 pixels): Number of Pixels: 6166528 Number of Good Pixels: 6166528 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.8938 hours Total Track Length: 18.5341 km Average Speed: 20.7368 km/hr (11.2091 knots) Start of Data: Time: 04 24 1998 16:54:17.329000 JD114 Lon: -120.2068 Lat: 34.4349 Depth: 75.3600 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 251.1700 degrees Sonar Depth: 5.6000 m Sonar Altitude: 69.7600 m End of Data: Time: 04 24 1998 17:47:54.941000 JD114 Lon: -120.4054 Lat: 34.4076 Depth: 76.6600 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 250.2400 degrees Sonar Depth: 5.5600 m Sonar Altitude: 71.1000 m Limits: Minimum Longitude: -120.4063 Maximum Longitude: -120.2059 Minimum Latitude: 34.4057 Maximum Latitude: 34.4368 Minimum Sonar Depth: 3.9300 Maximum Sonar Depth: 6.9700 Minimum Altitude: 51.6800 Maximum Altitude: 154.9300 Minimum Depth: 54.5500 Maximum Depth: 179.2000 Minimum Amplitude: -53.0000 Maximum Amplitude: -9.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 77.5000 Data Record Type Notices: DN: 6022 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 22 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 22 MB_DATA_START (ID=10): Simrad start datagram DN: 3218 MB_DATA_NAV (ID=12): Navigation record DN: 6022 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3218 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 12502 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 1 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0